State officials are deciding whether to continue hosting the Detroit Grand Prix on Belle Isle, a state park and island that opponents say is negatively impacted by the annual event. The Michigan Department of Natural Resources is considering whether to allow the race to continue after its current five-year

Chip Ganassi Racing will return to a two-car team in the IndyCar Series next season in a business decision the team owner said led to layoffs. Ganassi has fielded four teams in IndyCar the last several years. Only Scott Dixon will return to the program next season, in the No. 9.

Indianapolis 500 winner Takuma Sato will return to Rahal Letterman Lanigan Racing next season. Sato spent just one season with Andretti Autosport and became the first Japanese winner of the 500. Sato drove for Rahal in 2012 and nearly beat Dario Franchitti in attempting to win the Indy 500 that year